/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */ /* * Copyright(c) 2015, 2016 Intel Corporation. */ #ifndef _LINUX_H #define _LINUX_H /* * This header file is for OPA-specific definitions which are * required by the HFI driver, and which aren't yet in the Linux * IB core. We'll collect these all here, then merge them into * the kernel when that's convenient. */ /* OPA SMA attribute IDs */ #define OPA_ATTRIB_ID_CONGESTION_INFO cpu_to_be16(0x008b) #define OPA_ATTRIB_ID_HFI_CONGESTION_LOG cpu_to_be16(0x008f) #define OPA_ATTRIB_ID_HFI_CONGESTION_SETTING cpu_to_be16(0x0090) #define OPA_ATTRIB_ID_CONGESTION_CONTROL_TABLE cpu_to_be16(0x0091) /* OPA PMA attribute IDs */ #define OPA_PM_ATTRIB_ID_PORT_STATUS cpu_to_be16(0x0040) #define OPA_PM_ATTRIB_ID_CLEAR_PORT_STATUS cpu_to_be16(0x0041) #define OPA_PM_ATTRIB_ID_DATA_PORT_COUNTERS cpu_to_be16(0x0042) #define OPA_PM_ATTRIB_ID_ERROR_PORT_COUNTERS cpu_to_be16(0x0043) #define OPA_PM_ATTRIB_ID_ERROR_INFO cpu_to_be16(0x0044) /* OPA status codes */ #define OPA_PM_STATUS_REQUEST_TOO_LARGE cpu_to_be16(0x100) static inline u8 port_states_to_logical_state(struct opa_port_states *ps) { return ps->portphysstate_portstate & OPA_PI_MASK_PORT_STATE; } static inline u8 port_states_to_phys_state(struct opa_port_states *ps) { return ((ps->portphysstate_portstate & OPA_PI_MASK_PORT_PHYSICAL_STATE) >> 4) & 0xf; } /* * OPA port physical states * IB Volume 1, Table 146 PortInfo/IB Volume 2 Section 5.4.2(1) PortPhysState * values are the same in OmniPath Architecture. OPA leverages some of the same * concepts as InfiniBand, but has a few other states as well. * * When writing, only values 0-3 are valid, other values are ignored. * When reading, 0 is reserved. * * Returned by the ibphys_portstate() routine. */ enum opa_port_phys_state { /* Values 0-7 have the same meaning in OPA as in InfiniBand. */ IB_PORTPHYSSTATE_NOP = 0, /* 1 is reserved */ IB_PORTPHYSSTATE_POLLING = 2, IB_PORTPHYSSTATE_DISABLED = 3, IB_PORTPHYSSTATE_TRAINING = 4, IB_PORTPHYSSTATE_LINKUP = 5, IB_PORTPHYSSTATE_LINK_ERROR_RECOVERY = 6, IB_PORTPHYSSTATE_PHY_TEST = 7, /* 8 is reserved */ /* * Offline: Port is quiet (transmitters disabled) due to lack of * physical media, unsupported media, or transition between link up * and next link up attempt */ OPA_PORTPHYSSTATE_OFFLINE = 9, /* 10 is reserved */ /* * Phy_Test: Specific test patterns are transmitted, and receiver BER * can be monitored. This facilitates signal integrity testing for the * physical layer of the port. */ OPA_PORTPHYSSTATE_TEST = 11, OPA_PORTPHYSSTATE_MAX = 11, /* values 12-15 are reserved/ignored */ }; #endif /* _LINUX_H */